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Commit f3eb9b8f authored by Jia-Ju Bai's avatar Jia-Ju Bai Committed by Alex Deucher
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gpu: drm: radeon: Fix a possible null-pointer dereference in radeon_connector_set_property()



In radeon_connector_set_property(), there is an if statement on line 743
to check whether connector->encoder is NULL:
    if (connector->encoder)

When connector->encoder is NULL, it is used on line 755:
    if (connector->encoder->crtc)

Thus, a possible null-pointer dereference may occur.

To fix this bug, connector->encoder is checked before being used.

This bug is found by a static analysis tool STCheck written by us.

Signed-off-by: default avatarJia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent e3bf125b
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